| Mineral | Valentinite |
|---|---|
| Formula | Sb2O3 |
| Crystal Form | Orthorhombic/Dipyramidal [2/m 2/m 2/m] |
| Cleavage | [110] Perfect, [010] Distinct |
| Color | Colourless, White, Light gray, Light yellow |
| Density | 5.8 g/cm3 |
| Diaphaneity | Transparent |
| Fracture | Uneven |
| Hardness | 2.5 - 3.0 |
| Lustre | Adamantine, Pearly |
| Streak | White |
| Dana 8 Class | 4.3.11.1 |
| Strunz Class | IV/C.01-20 |
| Mindat | mindat.org |
| WebMineral | WebMineral |
| ID | 129 |